<!DOCTYPE html>
<html lang="zh-cn">
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title></title>
		<style>
			
		</style>
		<script>
			
			//var MIAO = 10;

			const miaov = 10;

			// miaov = 11000;  // 不能更改

			console.log(miaov);

			const ketang = {a:1};

			//ketang = 10;

			ketang.b = 10;

			console.log(ketang);

		</script>
	</head>

	<body>
		
	</body>
</html>